Method for applying a wear and impact resistant coating

Details Method for applying a wear and impact resistant coating Method for applying a wear and impact resistant coating

1975-03-07

1977-01-18

Hoffman, James R.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427 46, 427 53, 427318, 427376R, B05D 110, B05D 300, B05D 136, B05D 714

Patent

active

040040429

ABSTRACT:
A base metal is coated with a wear and impact resistant material comprising a mixture of tungsten carbide powder and nickel chrome boron powder which is spray applied by means of a stream of energy. This coating is thereafter covered by a thin layer of nitrogen-carried boric acid or boric oxide powder, forming a glossy protective film prior to fusing of the entire coating at elevated temperature.

REFERENCES:
patent: 2861900 (1958-11-01), Smith et al.
patent: 3254970 (1966-06-01), Dittrich et al.
patent: 3310423 (1967-03-01), Ingham et al.
patent: 3648015 (1972-03-01), Fairbairn

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